Work Truck Logo
MenuMENU
SearchSEARCH

Kenworth's CARB-Compliant Engine, Bendix Tech & SuperTruck 2

Kenworth unveils its CARB-compliant PACCAR MX-13 engine for T680, T880, and W990 models, and introduces the advanced Bendix Fusion safety system. Plus, learn about their "Transition Trucking" award for veterans and the SuperTruck 2 from ACT Expo.

June 13, 2024
A PACCAR MX-13 CARB-compliant engine

The PACCAR MX-13 CARB-compliant engine has two power ratings: a 510-horsepower version with 1,850 lb.-ft of torque and a 455-horsepower version with 1,650 lb.-ft of torque. 

Photo: Kenworth | Work Truck

4 min to read


Kenworth is making headlines with its CARB-compliant PACCAR MX-13 engine debut and the latest Bendix Fusion safety system. Unveiled to meet California's stringent emissions standards, this new engine will power the T680, T880, and W990 models starting in late 2024. Meanwhile, the Bendix Fusion system brings advanced collision mitigation technology to enhance driver safety.

Ad Loading...

In other news, check out how Kenworth continues to honor military veterans through its “Transition Trucking: Driving for Excellence” award and what you need to know about Kenworth’s SuperTruck 2, showcased at the ACT Expo.

Ad Loading...

A New CARB-Compliant Engine for Heavy-Duty Trucks

Kenworth has unveiled a California Air Resources Board (CARB) compliant version of the PACCAR MX-13 engine for its heavy-duty truck models. This announcement highlights Kenworth’s commitment to environmental sustainability and regulatory compliance while maintaining top-notch performance and efficiency.

The new PACCAR MX-13 CARB-compliant engine, designed to meet 2024 requirements, is now available for order on select Class 8 models, including the T680, T880, and W990. Production is set to begin in the fourth quarter of 2024. This engine features new aftertreatment hardware that aligns with stringent California low nitrogen oxide (NOx) emissions standards. The MX-13 CARB engine utilizes a twin-canister selective catalytic reduction (SCR) aftertreatment system and optimized emissions controls to achieve these standards without compromising reliability or performance.

“Our customers are looking for better options to successfully navigate the complexities of the evolving regulatory landscape,” said Kevin Haygood, Kenworth's assistant general manager for sales and marketing. “Kenworth models equipped with PACCAR’s MX-13 CARB-compliant engine achieve compliance with stringent emissions regulations while also delivering increased engine efficiency and enhanced fuel economy.”

The PACCAR MX-13 CARB-compliant engine has two power ratings: a 510-horsepower version with 1,850 lb.-ft of torque and a 455-horsepower version with 1,650 lb.-ft of torque. These options ensure superior performance and drivability without sacrificing fuel economy. This engine provides an industry-leading, efficient, and integrated low-NOx solution with PACCAR TX transmissions and PACCAR DX rear axles.

Kenworth Offers the Newest Bendix Fusion Safety System

A Kenworth T680 heavy-duty truck in blue

Bendix Fusion is a a key safety feature on Kenworth models since 2016 and standard on the T680 since 2018, incorporates new hardware and enhanced capabilities to improve road safety further.

Photo: Kenworth

Kenworth has announced the availability of Bendix Fusion – Bendix’s most advanced collision mitigation system – for order on select Kenworth trucks.

Ad Loading...

This system, a key safety feature on Kenworth models since 2016 and standard on the T680 since 2018, incorporates new hardware and enhanced capabilities to improve road safety further.

Bendix Fusion combines input from radar, video, and brakes, creating a detailed assessment that delivers collision mitigation for both moving and stationary vehicles while minimizing driver distraction.

“We’ve been working with the Kenworth team for decades to provide North America’s fleets and drivers with safer trucks,” said Nicole Oreskovic, Bendix vice president of sales and marketing. “Kenworth has always been a fantastic and valuable partner on our journey toward safer roads for everyone.”

Nomination Deadline Nears for “Transition Trucking: Driving for Excellence” Award

Are you a took rookie driver? Are you a military veteran?

Kenworth continues to support military veterans transitioning to the trucking industry through the “Transition Trucking: Driving for Excellence” award. With FASTPORT and the U.S. Chamber of Commerce Foundation’s Hiring our Heroes initiative, Kenworth seeks America’s top rookie military veteran driver. The grand prize for this year is a Kenworth T680 equipped with a 76-inch sleeper and the PACCAR Powertrain.

Ad Loading...

To qualify, candidates must be U.S. residents, military veterans, or current/former members of the National Guard or Reserves. They must also have graduated from a recognized driver training school and have been employed as CDL drivers since January 1, 2023. An expert panel of judges will select the top driver.

Kenworth's SuperTruck 2: A Glimpse into the Future of Trucking

The Kenworth SuperTruck2 with red LED lighting

Featuring a PACCAR MX-11 engine, a mild hybrid system, and an aerodynamic design, the SuperTruck 2 sets a new standard for efficiency and driver comfort.

Photo: Kenworth

Kenworth’s SuperTruck 2, introduced at the ACT Expo in Las Vegas, marks a significant achievement in trucking innovation. This demonstrator vehicle, developed in collaboration with the Department of Energy’s SuperTruck program, surpasses its freight efficiency goal with an improvement of up to 136% over its 2009 model.

Featuring a PACCAR MX-11 engine, a mild hybrid system, and an aerodynamic design, the SuperTruck 2 sets a new standard for efficiency and driver comfort.

The SuperTruck 2 is designed with future zero and near-zero emission solutions in mind and includes advanced driver assistance systems and state-of-the-art electronics. This project underscores Kenworth’s dedication to pioneering advancements that align with the industry’s goal of achieving carbon neutrality by 2050.

More Vehicle Research

A lot of several vehicles, with the central vehicle being a medium-duty work truck with several workers inspecting it.
SponsoredAugust 1, 2026

Electrification Incentives: The Acquisition Windfall Fleets Can't Miss

Discover how fleets can use tax credits, grants, rebates, and vouchers to dramatically reduce electric truck and charging infrastructure costs—before today’s funding disappears.

Read More →
A shot of a Volvo electric vehicle with a man charging it in front of a residence.
SponsoredAugust 1, 2026

Top 50 Executive Fleets

It is that time of year again! Time for the 2026 list of the Top 50 Executive Fleets, presented by Automotive Fleet and Volvo as part of its annual Fleet 500. Download now to see this year's list of companies!

Read More →
Group of Western Star Star Nation participants posing in front of heavy-duty trucks at a quarry, with the text “Inside the Western Star Star Nation Experience.”
Vehicle Researchby Lauren FletcherJuly 31, 2026

Back at Star Nation for a Closer Look at Western Star Trucks and the People Behind Them

Work Truck returned to Western Star’s Star Nation Experience for another hands-on look at the trucks, technology, and operator community behind the brand.

Read More →
Ad Loading...
Commercial Fleet
SponsoredJuly 23, 2026

The Top 300 Commercial Fleets

The Top 300 Commercial Fleets: See the List

Read More →
Three olive-drab Mack Defense heavy-duty tactical dump trucks drive in convoy on a roadway beneath cloudy skies, promoting delivery of 115 HDTs for the U.S. National Guard.

Mack Defense Receives Additional Order for 115 Heavy Dump Trucks Under U.S. Army’s M917A3 Program

The latest order of 115 Heavy Dump Trucks (HDTs) from Mack Defense for the National Guard is part of the $47-million order from the U.S. Army approved in the 2026 National Defense Appropriations Act.

Read More →
Cover of the "Top 50 Green Fleets" report presented by Automotive Fleet and Inspiration Fleet, featuring an aerial nighttime photo of a lit highway interchange with looping ramps.
SponsoredJuly 16, 2026

The Top 50 Green Fleets

The List Is in: The Top 50 Green Fleets

Read More →
Ad Loading...
Four-photo collage showing a white RIZON medium-duty truck with a utility flatbed, highlighting exterior storage compartments, open tool cabinets, and a spacious diamond-plate cargo bed designed for commercial work applications.

Rizon Introduces Service Combo Body, Increases Electric Truck Applications

Rizon now offers a combo service body that combines lockable storage and a spacious cargo bed in a single zero-emission vehicle. The body supports unique options including cranes, ladder racks, generators, lift gates, and work lighting for a wide range of vocational applications.

Read More →
FUSO Academy training classroom featuring workstations, diagnostic equipment, and electronics training benches, with a FUSO Academy logo highlighting the company's technical training facility.

MFTBC Establishes FUSO Academy Dubai Training Center to Strengthen Network Capabilities in Middle East & Africa

Mitsubishi Fuso Truck and Bus Corporation’s new FUSO Academy Dubai Training Center will support technical and non-technical capability development. It features enhanced training infrastructure to improve service quality, uptime, and readiness for advanced vehicle technologies.

Read More →
Paccar engine displayed alongside Kenworth and Peterbilt logos and a DEF pump sign, illustrating a software update addressing diesel exhaust fluid (DEF) inducement strategies for select heavy-duty trucks.

Paccar Updates MX-11 and MX-13 Engine Software to Enhance Customer Operations

Kenworth Truck Company and Peterbilt Motors Company will update software for vehicles equipped with Paccar MX-11 and Paccar MX-13 engines to ensure they comply with EPA guidance on diesel exhaust fluid inducements.

Read More →
Ad Loading...
GM Fleet presentation slide highlighting strong fleet sales growth alongside a Chevrolet Silverado. Key metrics include increased truck demand, record pickup sales, higher government sales, and growth in OnStar Fleet subscriptions.
Vehicle Researchby StaffJuly 8, 2026

GM #1 in U.S. Sales for the Second Quarter of 2026

General Motors said it was America’s #1 automaker in U.S. sales for the second quarter of 2026 with total sales of 714,896 vehicles, down 4.2%. GM led in full-size pickup and large SUV sales and reported growth in fleet sales.

Read More →